convert NSDictionary to NSString

Question

I am trying to put the content of an NSDictionary into an NSString for testing  But have no idea how to achieve this  Is it possible  if so how would one do such a thing   The reason I am doing this  Is I need to check the content of a NSDicitonary without the debugger running on my device  as I have to delete the running app from multitasking bar of the ios so I can see if the values I am saving into the dictionary are still available afterwards

User · Accepted Answer

You can call  aDictionary description   or anywhere you would need a format string  just use    to stand in for the dictionary    NSString stringWithFormat   my dictionary is      aDictionary     or  NSLog   My dictionary is      aDictionary

User · Answer

Above Solutions will only convert dictionary into string but you can t convert back that string to dictionary  For that it is the better way    Convert to String  NSError   err  NSData   jsonData    NSJSONSerialization  dataWithJSONObject yourDictionary options 0 error  amp err   NSString   myString     NSString alloc  initWithData jsonData   encoding NSUTF8StringEncoding   NSLog       myString     Convert Back to Dictionary  NSError   err  NSData  data   myString dataUsingEncoding NSUTF8StringEncoding   NSDictionary   response  if data  nil    response    NSDictionary    NSJSONSerialization JSONObjectWithData data options NSJSONReadingMutableContainers error  amp err

User · Answer

You can use the description method inherited by NSDictionary from NSObject  or write a custom method that formats NSDictionary to your liking

User · Answer

if you like to use for URLRequest httpBody  extension Dictionary        func toString   - gt  String            return  self compactMap    key  value  - gt  String in             return    key    value              as Array  joined separator    amp                  print  Fields sdad amp ServiceId 1222

[iphone] convert NSDictionary to NSString

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